rockbox/firmware/target/mips/ingenic_jz47xx/app.lds
Aidan MacDonald d5695822a7 MIPS: remove .MIPS.abiflags section
The abiflags data is only used to communicate ABI information to a
program loader -- you can see what info is stored with readelf -A.
Dropping it shaves 24 bytes off of every binary (including plugins).

Change-Id: Iae78eeffe5c840ff67717707fb94821d24aac8ec
2021-04-26 12:41:06 +00:00

118 lines
2.3 KiB
Text

#include "config.h"
OUTPUT_FORMAT("elf32-littlemips")
OUTPUT_ARCH(MIPS)
ENTRY(_start)
STARTUP(target/mips/ingenic_jz47xx/crt0.o)
#define STUBOFFSET 0x4000
#define DRAMORIG (0x80000000 + STUBOFFSET)
#define DRAMSIZE (MEMORYSIZE * 0x100000 - STUBOFFSET)
#define IRAMORIG 0x80000000
#define IRAMSIZE 16K
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE)
/* Where the codec buffer ends, and the plugin buffer starts */
#define ENDCODECADDR (ENDAUDIOADDR + CODEC_SIZE)
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
}
SECTIONS
{
. = DRAMORIG;
.text :
{
loadaddress = .;
_loadaddress = .;
*(.init.text);
*(.text*);
} > DRAM
. = ALIGN(4);
.rodata :
{
*(.rodata*);
} > DRAM
. = ALIGN(4);
.data :
{
*(.data*);
*(.sdata*);
} > DRAM
/* Set the load address of .iram at the same address as .bss
* so RAM won't be wasted as .iram in the end will get copied
* to IRAM. */
.iram IRAMORIG: AT (_edata)
{
_iramstart = .;
KEEP(*(.vectors.1));
. = 0x100;
KEEP(*(.vectors.2));
. = 0x180;
KEEP(*(.vectors.3));
. = 0x200;
KEEP(*(.vectors.4));
KEEP(*(.vectors));
*(.icode*);
*(.irodata);
*(.idata);
KEEP(*(.vectors))
*(.vectors);
_iramend = .;
} > IRAM
_iramcopy = LOADADDR(.iram);
. = ALIGN(4);
.stack (NOLOAD):
{
*(.stack);
stackbegin = .;
. += 0x1d00;
stackend = .;
irqstackbegin = .;
. += 0x400;
irqstackend = .;
} > IRAM
.bss (NOLOAD):
{
_edata = .;
*(.sbss*);
*(.bss*);
*(.ibss*); /* Don't put this in IRAM as there's not enough space */
*(COMMON);
*(.scommon*);
_end = .;
} > DRAM
.audiobuf :
{
. = ALIGN(4);
audiobuffer = .;
} > DRAM
audiobufend = ENDAUDIOADDR;
codecbuf = ENDAUDIOADDR;
pluginbuf = ENDCODECADDR;
/DISCARD/ :
{
*(.MIPS.abiflags);
*(.eh_frame);
*(.rel.dyn);
}
}